291250395140

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1\times {\mathrm{225751}}^1$

素因数の和:226268

約数の個数: 48

約数和(自身を含む): 616454665344

約数和(自身を除く): 325204270204

約数列:

[1, 2, 4, 5, 10, 20, 251, 257, 502, 514, 1004, 1028, 1255, 1285, 2510, 2570, 5020, 5140, 64507, 129014, 225751, 258028, 322535, 451502, 645070, 903004, 1128755, 1290140, 2257510, 4515020, 56663501, 58018007, 113327002, 116036014, 226654004, 232072028, 283317505, 290090035, 566635010, 580180070, 1133270020, 1160360140, 14562519757, 29125039514, 58250079028, 72812598785, 145625197570, 291250395140]

約数ペア:

[(1, 291250395140), (2, 145625197570), (4, 72812598785), (5, 58250079028), (10, 29125039514), (20, 14562519757), (251, 1160360140), (257, 1133270020), (502, 580180070), (514, 566635010), (1004, 290090035), (1028, 283317505), (1255, 232072028), (1285, 226654004), (2510, 116036014), (2570, 113327002), (5020, 58018007), (5140, 56663501), (64507, 4515020), (129014, 2257510), (225751, 1290140), (258028, 1128755), (322535, 903004), (451502, 645070)]